2008 Yamaha Snowmobiles FX NYTRO Factory Service Manual, Page 74Get this manual

2008 Yamaha Snowmobiles FX NYTRO Factory Service Manual, Page 74

GEAR SELECTION 3 Secondary sheave spring Part No90508-500B1 90508-536A9 90508-556A2 90508-556A7 Spring rate mmrad (kg mmrad)
(2.736) 69.5 (2.736) 69.5 (2.736) 69.5 (2.736) FX10FX10RT FX10RTR FX10RTRA FX10MTFX10MTR FX10MTRA Standard 90508-60012 11876
(1211) 12.3 (1.26), 70.23 69.5 (2.736) 90508-60007 12654 (1290) 13.5 (1.38) 77.08 69.5 (2.736) 4 Secondary spring twist angle
Seat Sheave Torque cam (secondary spring seat) 10 20 30 40 50 60 70 80 90 100 110 120 Effects Quicker upshifting during acceleration
Part no8FA-17604-00 8BV-17604-71 8BV-17604-51 8BV-17604-31 8BV-17604-11 Cam angle 51-43 47 45 43 41 39 Identification mark